Hi Marc,
(2014/05/19 22:49), Marc MERLIN wrote:
Ok, that's 2 out of 2.
I was copying pictures from an sdcard (through mmcblk0), and the
filesystem deadlocked.
Unfortunately, when this happens, I copied my pictures (which were still
in RAM) to my 2nd drive which was also btrfs.
From your
Current btrfs-debug-tree output chunk/block group type as numbers,
which makes it hard to understand and need to check the source to
understand the meaning.
This patch will convert numeric type output to human readable strings.
Signed-off-by: Qu Wenruo quwen...@cn.fujitsu.com
---
changelog:
v2:
Martin Steigerwald posted on Sun, 15 Jun 2014 23:31:07 +0200 as excerpted:
I always thought that the whole point of fallocate is that it *doesn´t*
write out anything, but just reserves the space. Thus I don´t see how
COW can have any adverse effect here.
Tying up loose ends... I was wrong on
On 17/06/14 02:13, cwillu wrote:
It's not a mmap problem, it's a small writes with an msync or fsync
after each one problem.
And for logging, that is exactly what is wanted to see why whatever
crashed...
Except...
Whilst logging, hold off on the msync/fsync unless the next log message
to be
From: Jie Liu jeff@oracle.com
Return the actual error code if call kset_create_and_add() failed
Cc: Chris Mason c...@fb.com
Cc: Josef Bacik jba...@fb.com
Signed-off-by: Jie Liu jeff@oracle.com
---
fs/btrfs/sysfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git
On Tue, Jun 17, 2014 at 03:29:19PM +0900, Satoru Takeuchi wrote:
after that? Here try to reproduce with 3.16-rc1 is desirable.
As for 3.16-rc1, my problem, and this is not targetted at you, just a
general unfortunate observation of my last months of btrfs testing and
reorts.
I use btrfs on real
Hi there,
Heck ! I discovered from the wiki
https://btrfs.wiki.kernel.org/index.php/UseCases#How_do_I_defragment_many_files.3F
...That defrag, which used to be snapshot-aware, isn't anymore :-/
...And /me am still defraggging my snapshotted system on a regular basis :-(
Is there any plan to
On Jun 16, 2014, at 7:13 PM, cwillu cwi...@cwillu.com wrote:
It's not a mmap problem, it's a small writes with an msync or fsync
after each one problem.
For the case of sequential writes (via write or mmap), padding writes
to page boundaries would help, if the wasted space isn't an issue.
On Jun 17, 2014, at 11:27 AM, Swâmi Petaramesh sw...@petaramesh.org wrote:
Hi there,
Heck ! I discovered from the wiki
https://btrfs.wiki.kernel.org/index.php/UseCases#How_do_I_defragment_many_files.3F
...That defrag, which used to be snapshot-aware, isn't anymore :-/
...And /me am
On Mon, Jun 16, 2014 at 07:06:08AM +, Holger Hoffstätte wrote:
If it annoys other people, maybe having a -q (quiet) that removes this
message would be useful?
IMHO it should be the reverse: be quiet by default and require -v, just
as more explicit behaviour also requires additional
Hi,
I updated 2 computers to 3.16-rc1 and they both did the same thing when
mounting the rootfs: after entering the login/password, the shell didn't
appear.
120 seconds later, there is a message about a hung task, it's about
fsync not finishing, with a traceback showing SyS_fsync / ... /
On Tue, Jun 17, 2014 at 07:59:57AM -0700, Marc MERLIN wrote:
It is also ok to answer Any FS created or used before kernel 3.x can be
corrupted due to bugs we fixed in 3.y, thank you for your report but it's
not a good use of our time to investigate this
(although newer kernels should not just
On 06/09/2014 04:40 PM, Marc MERLIN wrote:
I did a balance on a system that had 3.11 (yes, I know, it's old). It hung.
So, I rebooted with 3.13, and it failed in fs/btrfs/relocation
Problem #1: I cannot stop the relocation. It starts on its own as soon as I
mount the FS, and I can't stop it.
Is
On Mon, Jun 16, 2014 at 6:13 PM, cwillu cwi...@cwillu.com wrote:
For the case of sequential writes (via write or mmap), padding writes
to page boundaries would help, if the wasted space isn't an issue.
Another approach, again assuming all other writes are appends, would
be to periodically (but
On Tue, Jun 17, 2014 at 11:29:57AM -0700, Josef Bacik wrote:
I'm sure that filesystem is damaged in some way, but the kernel of course
should not crash.
I don't have this mail client setup right to send patches, can you just
go into relocation.c in build_backref_tree and remove the
On Fri, May 09, 2014 at 05:17:40PM +0100, Filipe David Borba Manana wrote:
When running low on available disk space and having several processes
doing buffered file IO, I got the following trace in dmesg:
I was building 3.15.1 and noticed this patch didn't make it in (your other
2 btrfs send
On 06/17/2014 08:46 PM, Filipe Brandenburger wrote:
On Mon, Jun 16, 2014 at 6:13 PM, cwillu cwi...@cwillu.com wrote:
For the case of sequential writes (via write or mmap), padding writes
to page boundaries would help, if the wasted space isn't an issue.
Another approach, again assuming all
On Mon, 16.06.14 09:05, Josef Bacik (jba...@fb.com) wrote:
So you are doing all the right things from what I can tell, I'm just
a little confused about when you guys run fsync. From what I can
tell it's only when you open the journal file and when you switch it
to offline. I didn't look too
On Fri, 13 Jun 2014, Gui Hecheng wrote:
For modern filesystems such as btrfs, t/p/e size level operations
are common.
add size unit t/p/e parsing to memparse
Signed-off-by: Gui Hecheng guihc.f...@cn.fujitsu.com
Acked-by: David Rientjes rient...@google.com
Sorry, didn't do this before.
Hi Gui,
(2014/06/18 7:21), David Rientjes wrote:
On Fri, 13 Jun 2014, Gui Hecheng wrote:
For modern filesystems such as btrfs, t/p/e size level operations
are common.
add size unit t/p/e parsing to memparse
Signed-off-by: Gui Hecheng guihc.f...@cn.fujitsu.com
Acked-by: David Rientjes
Hi,
On 06/17/2014 22:32 PM, Jeff Liu wrote:
From: Jie Liu jeff@oracle.com
Return the actual error code if call kset_create_and_add() failed
Cc: Chris Mason c...@fb.com
Cc: Josef Bacik jba...@fb.com
Signed-off-by: Jie Liu jeff@oracle.com
Please ignore this patch because Greg
On 2014-06-17 14:35, Konstantinos Skarlatos wrote:
Hi all,
with 3.16-rc1 rsync stops writing to my btrfs filesystem and stays at a
D+ state.
git bisect showed that the problematic commit is:
762380ad9322951cea4ce9d24864265f9c66a916 is the first bad commit
commit
Hi Adam,
(2014/06/14 8:43), Adam Buchbinder wrote:
When a struct btrfs_fs_devices was being torn down by
btrfs_close_devices(), there was an invalidated pointer in the global
list fs_uuids which still pointed to it; if a device was closed and
then reopened (which btrfs-convert does), freed
When we write a btrfs to full and then we have no space left for
free space cache.
The btrfs check will output msg as follows which is noise indeed:
# free space inode generation (0) did not match
free space cache generation (XXX)
When the free space cache is not written out
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